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Finding the Fourth Proportional to 87,804.56, 131,793.24 and 64,364.24

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Solution

The fourth proportional to 87,804.56, 131,793.24 and 64,364.24 is: 96,609.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,804.56 : 131,793.24 = 64,364.24 : x
  2. Step 2: Convert to fraction form
    87,804.56/131,793.24 = 64,364.24/x
  3. Step 3: Cross multiply
    87,804.56x = 131,793.24 × 64,364.24
  4. Step 4: Simplify right side
    87,804.56x = 8,482,771,729.74
  5. Step 5: Solve for x
    x = 8,482,771,729.74/87,804.56
  6. Step 6: Final answer
    x = 96,609.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.